这个无名人士让人类的发展跨出了历史性的一步，因为正是在那一年，人类在其历史上第一次成为主要的城市物种。
This nameless person pushed the human race over a historic threshold, for it was in that year that mankind became, for the first time in its history, a predominantly urban species.
互联网的兴起是人类历史上最具变革性的发展之一，其影响堪比印刷机和电报的发明。
The rise of the Internet has been one of the most transformative developments in human history, comparable in impact to the invention of the printing press and the telegraph.
“通过经典，我们可以看到现代中国的基础。”田说，“无论人类历史如何发展，它们仍然对我们有很大的影响。”
"Through the classics, we can see the foundations of modern China." said Tian, "No matter how the human history has developed, they still have a great influence on us.
毫不夸张地说，发动机的发明将人类历史带入了一个崭新的，飞速发展的时代。
The invention of engines has brought human history into a brand new, rapid developing time.
全文共分为三大部分：第一部分主要阐述马克思的世界历史思想及人类社会发展趋势。
The full text is divided into three parts totally: the first part expatiates primarily the world history thought of Marxism and the human society's developing trend.
人类对铅的毒性研究已有上千年的历史，但近些年来伴随着现代生物技术的飞速发展，铅的毒性机制得到了深入的研究，同时也发现了一系列的敏感标志物。
We, human beings, have studied the toxicity of lead for thousands of years, and with the help of modern biotechnology, mechanisms of lead toxicity and sensitive biomarkers are found little by little.
人与自然的关系问题一直贯穿于人类发展的历史进程中。
Basically, the relationship between nature and humanity has been a problem running through the whole evolutionary history of mankind.
人与自然的关系问题一直贯穿于人类发展的历史进程中。
Basically, the relationship between nature and humanity has been a problem running through the whole evolutionary history of mankind.
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